Ampcontrol Pty Ltd
– ABN 28 000 915 542
HPB USER MANUAL
HPBB012 Version 9
– March/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 29 of 61
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11
EVENT LOG
A real time clock/calendar is included in the HPB Relay. This combines with the non-volatile memory to
provide data logging. This log sequentially records the time, date and details of the HPB Relay’s
operations. A chronological list of the previous 120 events is stored.
The
event log can be scrolled so as to view the entire log. To achieve this press “Enter” followed by the
“right” or “left” arrow keys to commence the scroll. The log will scroll one log per second in the direction
of the arrow key pressed. Press “Enter” to stop the scroll at the desired log.
A typical display shows:
LOG 10: EL TRIP
MO 15/05 09:46:21
This record shows that an earth leakage caused a trip condition on Monday, 15 May at 9.46am. Log 10
indicates that it is the 10
th
log in the list. Log 1 is always the most recent event. Each time a new log is
recorded, the 120
th
log is removed from the list and all others move along one.
The following events are logged:
Table 7: Event Logs
Event
Description
“Power Up”
Records the time when the HPB Relay is powered up
“Pwr Down”
Records the time when the HPB Relay loses power
“MCR Close”
Closure of the Main Contactor Relay
“Stopped”
Stopping of the outlet by operation of the local stop button
“HTU Stop”
Stopping of the outlet by operation of the remote stop button
“MC Opened”
Main Contactor has opened but not initiated by the HPB Relay
“EC Ω Trip”
Pilot/Earth continuity loop exceed the trip level
“EC Short”
Low resistance between pilot and earth
“EL Trip”
Earth leakage protection tripped
“EF trip A”
Earth Fault test has failed
– A phase (HPB 6.6kV)
“EF trip B”
Earth Fault test has failed
– B phase (HPB 6.6kV)
“EF trip C”
Earth Fault test has failed
– C phase (HPB 6.6kV)
“EF trip”
Earth Fault test has failed
– (HPB-22kV)
“SC Trip”
Trip condition of short circuit protection
“OC Trip”
Trip condition of over-current overload protection
“I bal-Trp”
Current balance trip condition
“RESET”
Records resetting of a protection trip
“Setup Mod”
Records that setup data has been modified. The log preceding this shows the old and
new values
“uVOLT Trp”
Records that voltage was not present on at least one outgoing phase when the main
contactor was closed
“MCF F Trp”
Internal battery backed main contactor fail flag tripped
“MCF-V trp”
Main Contactor Fail trip due to sensing voltage on the load side of the main contactor
when the contactor should be open
